Only import internal container configs

Sharing external container configs seems non-trivial and, although
possible, it may be better to simply manage containers independently.

containers/common-container/wayland.nix

@@ -1,14 +0,0 @@
-{
-  bindMounts = {
-    waylandDisplay = rec {
-      hostPath = "/run/user/1000";
-      mountPoint = hostPath;
-    };
-
-    x11Display = rec {
-      hostPath = "/tmp/.X11-unix";
-      mountPoint = hostPath;
-      isReadOnly = true;
-    };
-  };
-}

containers/gui.nix

@@ -4,10 +4,6 @@ let
 in
 {
   containers.gui = {
-    imports = [
-      ./common-container/wayland.nix
-    ];
-
     privateNetwork = true;
     ephemeral = true;
     autoStart = true;
@@ -17,6 +13,17 @@ in
         hostPath = "/home/${VARIABLES.username}/containers/gui";
         isReadOnly = false;
       };
+
+      waylandDisplay = rec {
+        hostPath = "/run/user/1000";
+        mountPoint = hostPath;
+      };
+
+      x11Display = rec {
+        hostPath = "/tmp/.X11-unix";
+        mountPoint = hostPath;
+        isReadOnly = true;
+      };
     };
 
     config = { pkgs, lib, ... }: {